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Note 11 - Income Taxes - Components of Income Tax Expense (Benefit) from Continuing Operations (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Current income taxes: |  |
Federal | $ 0 | $ 0
State | 0 | 0
Current tax (benefit) | 0 | 0
Book in excess of tax depreciation | (346,154) | (309,719)
Work in progress | (294,233) | (174,093)
Net operating loss carryover | (2,041,211) | (2,667,221)
Valuation allowance | 2,319,705 | 2,811,619
Deferred compensation | (52,500) | 31,500
Accrued interest | (13,125) | 13,125
Discount amortization | 464,744 | 175,420
Accrued vacation | (4,305) | 4,305
Reserve for obsolete inventory | (88,915) | 52,028
Deferred tax expense (benefit) | (55,994) | (63,036)
Total tax expense (benefit) | (237,410) | (63,036)
Danish Ministry of Taxation [Member] |  |
Current income taxes: |  |
Danish | $ (181,417) | $ 0

X
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- Definition The amount of deferred income tax expense (benefit) attributable to work in progress. + References No definition available. + Details
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- Definition Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.7) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319 + Details
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- Definition Amount of current state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.7) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 + Details
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